/Engine/Source/Runtime/Engine/Classes/GameFramework/CharacterMovementReplication.h
Copy theFClientAdjustmentand set a few flags relevant to that data.
virtual void ServerFillResponseData ( const [UCharacterMovementComponent](API\Runtime\Engine\GameFramework\UCharacterMovementComponent) & CharacterMovement, const [FClientAdjustment](API\Runtime\Engine\GameFramework\FClientAdjustment) & PendingAdjustment )